HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

GRAYROBINSON, P.A.

bd_35cc442280a9189c · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 24, 2025

Filed

Apr 24, 2026

To disclose

13 months

Affected

41state residents only

Linked

12 filings

Confidence

65%

Full breach record for GRAYROBINSON, P.A. →4 incidents on file

GrayRobinson P.A. notified Montana residents of a cybersecurity incident where unauthorized access occurred between March 5 and March 24, 2025. The firm detected the access on March 24, 2025, and determined on April 13, 2026, that personal information (names) may have been exposed. GrayRobinson secured its network, reported to law enforcement, and engaged external cybersecurity professionals. Complimentary credit monitoring via Experian IdentityWorks is offered.

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Incident timeline

undetected · 19 days

discovery → filing · 13 months / 396 days

Mar 5, 2025

Begins

Mar 24, 2025

Discovered

Apr 24, 2026

Filed

vs. sector median

+38 wks slower

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Massachusetts State AGbd_255b75c49cb2e5f92026-04-24Candidate
Nebraska State AGbd_40fd643b6b8b565d2026-04-24Verified by operator
HHS OCRbd_70a89970a20e2cd62026-04-24Verified by operator
California State AGbd_97efcfd5f4cb89ba2026-04-24Verified

Show 6 more filings ↓up to 13d gap

Indiana State AGbd_d2707ef1537a6e5b2026-04-24Verified
New Hampshire State AGbd_5befb58f749743e92026-04-29 · +5dVerified
California State AGbd_aa3a4069dcb4c3382026-05-04 · +10dVerified
Vermont State AGbd_cca7851fcf929bc52026-05-05 · +11dVerified
South Carolina State AGbd_138d12a9948c4e492026-05-07 · +13dVerified
New Hampshire State AGbd_794b695cf033f8ab2026-05-07 · +13dVerified

Showing first 10 of 11 linked disclosures.

Name: GRAYROBINSON, P.A.
norm: grayrobinson

Name: GRAYROBINSON, P.A.
norm: grayrobinson
Industry: Professional Servicesllm

Discovered: Mar 24, 2025
Breach occurred: Mar 5, 2025 – Mar 24, 2025
Undetected for: 19 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 14, 2026
Affected individuals: 41state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: reported the incident to law enforcement
Initial access: valid_credentials

During the incident: Secured our network
Reported the incident to law enforcement
Commenced a thorough investigation
Working closely with external cybersecurity professionals
Changes made: Providing complimentary credit monitoring services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(396 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

Massachusetts State AGApr 24 · first

Nebraska State AGApr 24 · first

HHS OCRApr 24 · first

California State AGApr 24 · first

Indiana State AGApr 24 · first

Montana State AGApr 24 · first · this page

New Hampshire State AG+5d

California State AG+10d

Vermont State AG+11d

South Carolina State AG+13d

New Hampshire State AG+13d

Pattern: first filing Apr 24 (MA), last May 7 (NH) — a 13-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://dojmt.gov/wp-content/uploads/2026/05/Consumer-notification-letter-14.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 24, 2026
Raw hash: 442f420e8704c402bcfb6d6114c4a06ae9827c40ad4050d2f1a644092393f384

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityGRAYROBINSON, P.A.

Victim entityGRAYROBINSON, P.A.

Incidentdiscovered Mar 24, 2025

Stated responseSecured our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov